glsl-noise-template-string/dist/noiseFunctions/perlin3D.js

Use popular noise functions within glsl written in JS/TS Template-Strings

"use strict";
var __makeTemplateObject = (this && this.__makeTemplateObject) || function (cooked, raw) {
    if (Object.defineProperty) { Object.defineProperty(cooked, "raw", { value: raw }); } else { cooked.raw = raw; }
    return cooked;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.perlin3D = void 0;
var glslIdentityFunction_1 = require("../lib/glslIdentityFunction");
// Classic Perlin 3D Noise
// by Stefan Gustavson
//
exports.perlin3D = glslIdentityFunction_1.glsl(templateObject_1 || (templateObject_1 = __makeTemplateObject(["\n    vec4 permute_gmridySj28(vec4 x){return mod(((x*34.0)+1.0)*x, 289.0);}\n    vec4 taylorInvSqrt_AJJ3FejvK3(vec4 r){return 1.79284291400159 - 0.85373472095314 * r;}\n    vec3 fade_GCRQodxOtX(vec3 t) {return t*t*t*(t*(t*6.0-15.0)+10.0);}\n            \n    float perlin3D(vec3 P){\n        \n        vec3 Pi0 = floor(P); // Integer part for indexing\n        vec3 Pi1 = Pi0 + vec3(1.0); // Integer part + 1\n        Pi0 = mod(Pi0, 289.0);\n        Pi1 = mod(Pi1, 289.0);\n        vec3 Pf0 = fract(P); // Fractional part for interpolation\n        vec3 Pf1 = Pf0 - vec3(1.0); // Fractional part - 1.0\n        vec4 ix = vec4(Pi0.x, Pi1.x, Pi0.x, Pi1.x);\n        vec4 iy = vec4(Pi0.yy, Pi1.yy);\n        vec4 iz0 = Pi0.zzzz;\n        vec4 iz1 = Pi1.zzzz;\n\n        vec4 ixy = permute_gmridySj28(permute_gmridySj28(ix) + iy);\n        vec4 ixy0 = permute_gmridySj28(ixy + iz0);\n        vec4 ixy1 = permute_gmridySj28(ixy + iz1);\n\n        vec4 gx0 = ixy0 / 7.0;\n        vec4 gy0 = fract(floor(gx0) / 7.0) - 0.5;\n        gx0 = fract(gx0);\n        vec4 gz0 = vec4(0.5) - abs(gx0) - abs(gy0);\n        vec4 sz0 = step(gz0, vec4(0.0));\n        gx0 -= sz0 * (step(0.0, gx0) - 0.5);\n        gy0 -= sz0 * (step(0.0, gy0) - 0.5);\n\n        vec4 gx1 = ixy1 / 7.0;\n        vec4 gy1 = fract(floor(gx1) / 7.0) - 0.5;\n        gx1 = fract(gx1);\n        vec4 gz1 = vec4(0.5) - abs(gx1) - abs(gy1);\n        vec4 sz1 = step(gz1, vec4(0.0));\n        gx1 -= sz1 * (step(0.0, gx1) - 0.5);\n        gy1 -= sz1 * (step(0.0, gy1) - 0.5);\n\n        vec3 g000 = vec3(gx0.x,gy0.x,gz0.x);\n        vec3 g100 = vec3(gx0.y,gy0.y,gz0.y);\n        vec3 g010 = vec3(gx0.z,gy0.z,gz0.z);\n        vec3 g110 = vec3(gx0.w,gy0.w,gz0.w);\n        vec3 g001 = vec3(gx1.x,gy1.x,gz1.x);\n        vec3 g101 = vec3(gx1.y,gy1.y,gz1.y);\n        vec3 g011 = vec3(gx1.z,gy1.z,gz1.z);\n        vec3 g111 = vec3(gx1.w,gy1.w,gz1.w);\n\n        vec4 norm0 = taylorInvSqrt_AJJ3FejvK3(vec4(dot(g000, g000), dot(g010, g010), dot(g100, g100), dot(g110, g110)));\n        g000 *= norm0.x;\n        g010 *= norm0.y;\n        g100 *= norm0.z;\n        g110 *= norm0.w;\n        vec4 norm1 = taylorInvSqrt_AJJ3FejvK3(vec4(dot(g001, g001), dot(g011, g011), dot(g101, g101), dot(g111, g111)));\n        g001 *= norm1.x;\n        g011 *= norm1.y;\n        g101 *= norm1.z;\n        g111 *= norm1.w;\n\n        float n000 = dot(g000, Pf0);\n        float n100 = dot(g100, vec3(Pf1.x, Pf0.yz));\n        float n010 = dot(g010, vec3(Pf0.x, Pf1.y, Pf0.z));\n        float n110 = dot(g110, vec3(Pf1.xy, Pf0.z));\n        float n001 = dot(g001, vec3(Pf0.xy, Pf1.z));\n        float n101 = dot(g101, vec3(Pf1.x, Pf0.y, Pf1.z));\n        float n011 = dot(g011, vec3(Pf0.x, Pf1.yz));\n        float n111 = dot(g111, Pf1);\n\n        vec3 fade_xyz = fade_GCRQodxOtX(Pf0);\n        vec4 n_z = mix(vec4(n000, n100, n010, n110), vec4(n001, n101, n011, n111), fade_xyz.z);\n        vec2 n_yz = mix(n_z.xy, n_z.zw, fade_xyz.y);\n        float n_xyz = mix(n_yz.x, n_yz.y, fade_xyz.x); \n        return 2.2 * n_xyz;\n    }\n"], ["\n    vec4 permute_gmridySj28(vec4 x){return mod(((x*34.0)+1.0)*x, 289.0);}\n    vec4 taylorInvSqrt_AJJ3FejvK3(vec4 r){return 1.79284291400159 - 0.85373472095314 * r;}\n    vec3 fade_GCRQodxOtX(vec3 t) {return t*t*t*(t*(t*6.0-15.0)+10.0);}\n            \n    float perlin3D(vec3 P){\n        \n        vec3 Pi0 = floor(P); // Integer part for indexing\n        vec3 Pi1 = Pi0 + vec3(1.0); // Integer part + 1\n        Pi0 = mod(Pi0, 289.0);\n        Pi1 = mod(Pi1, 289.0);\n        vec3 Pf0 = fract(P); // Fractional part for interpolation\n        vec3 Pf1 = Pf0 - vec3(1.0); // Fractional part - 1.0\n        vec4 ix = vec4(Pi0.x, Pi1.x, Pi0.x, Pi1.x);\n        vec4 iy = vec4(Pi0.yy, Pi1.yy);\n        vec4 iz0 = Pi0.zzzz;\n        vec4 iz1 = Pi1.zzzz;\n\n        vec4 ixy = permute_gmridySj28(permute_gmridySj28(ix) + iy);\n        vec4 ixy0 = permute_gmridySj28(ixy + iz0);\n        vec4 ixy1 = permute_gmridySj28(ixy + iz1);\n\n        vec4 gx0 = ixy0 / 7.0;\n        vec4 gy0 = fract(floor(gx0) / 7.0) - 0.5;\n        gx0 = fract(gx0);\n        vec4 gz0 = vec4(0.5) - abs(gx0) - abs(gy0);\n        vec4 sz0 = step(gz0, vec4(0.0));\n        gx0 -= sz0 * (step(0.0, gx0) - 0.5);\n        gy0 -= sz0 * (step(0.0, gy0) - 0.5);\n\n        vec4 gx1 = ixy1 / 7.0;\n        vec4 gy1 = fract(floor(gx1) / 7.0) - 0.5;\n        gx1 = fract(gx1);\n        vec4 gz1 = vec4(0.5) - abs(gx1) - abs(gy1);\n        vec4 sz1 = step(gz1, vec4(0.0));\n        gx1 -= sz1 * (step(0.0, gx1) - 0.5);\n        gy1 -= sz1 * (step(0.0, gy1) - 0.5);\n\n        vec3 g000 = vec3(gx0.x,gy0.x,gz0.x);\n        vec3 g100 = vec3(gx0.y,gy0.y,gz0.y);\n        vec3 g010 = vec3(gx0.z,gy0.z,gz0.z);\n        vec3 g110 = vec3(gx0.w,gy0.w,gz0.w);\n        vec3 g001 = vec3(gx1.x,gy1.x,gz1.x);\n        vec3 g101 = vec3(gx1.y,gy1.y,gz1.y);\n        vec3 g011 = vec3(gx1.z,gy1.z,gz1.z);\n        vec3 g111 = vec3(gx1.w,gy1.w,gz1.w);\n\n        vec4 norm0 = taylorInvSqrt_AJJ3FejvK3(vec4(dot(g000, g000), dot(g010, g010), dot(g100, g100), dot(g110, g110)));\n        g000 *= norm0.x;\n        g010 *= norm0.y;\n        g100 *= norm0.z;\n        g110 *= norm0.w;\n        vec4 norm1 = taylorInvSqrt_AJJ3FejvK3(vec4(dot(g001, g001), dot(g011, g011), dot(g101, g101), dot(g111, g111)));\n        g001 *= norm1.x;\n        g011 *= norm1.y;\n        g101 *= norm1.z;\n        g111 *= norm1.w;\n\n        float n000 = dot(g000, Pf0);\n        float n100 = dot(g100, vec3(Pf1.x, Pf0.yz));\n        float n010 = dot(g010, vec3(Pf0.x, Pf1.y, Pf0.z));\n        float n110 = dot(g110, vec3(Pf1.xy, Pf0.z));\n        float n001 = dot(g001, vec3(Pf0.xy, Pf1.z));\n        float n101 = dot(g101, vec3(Pf1.x, Pf0.y, Pf1.z));\n        float n011 = dot(g011, vec3(Pf0.x, Pf1.yz));\n        float n111 = dot(g111, Pf1);\n\n        vec3 fade_xyz = fade_GCRQodxOtX(Pf0);\n        vec4 n_z = mix(vec4(n000, n100, n010, n110), vec4(n001, n101, n011, n111), fade_xyz.z);\n        vec2 n_yz = mix(n_z.xy, n_z.zw, fade_xyz.y);\n        float n_xyz = mix(n_yz.x, n_yz.y, fade_xyz.x); \n        return 2.2 * n_xyz;\n    }\n"])));
var templateObject_1;